diff --git a/packages/ui-templates/templates/error-404/messages.json b/packages/ui-templates/templates/error-404/messages.json
index 713d7d646b..262941b2fe 100644
--- a/packages/ui-templates/templates/error-404/messages.json
+++ b/packages/ui-templates/templates/error-404/messages.json
@@ -1,5 +1,5 @@
 {
-  "statusCode": "404",
+  "statusCode": 404,
   "statusMessage": "Not Found",
   "description": "Sorry, the page you are looking for could not be found.",
   "backHome": "Go back home"
diff --git a/packages/ui-templates/templates/error-500/messages.json b/packages/ui-templates/templates/error-500/messages.json
index 3ce7d78762..69534ad900 100644
--- a/packages/ui-templates/templates/error-500/messages.json
+++ b/packages/ui-templates/templates/error-500/messages.json
@@ -1,5 +1,5 @@
 {
-  "statusCode": "500",
+  "statusCode": 500,
   "statusMessage": "Server error",
   "description": "This page is temporarily unavailable."
 }
diff --git a/packages/ui-templates/templates/error-dev/messages.json b/packages/ui-templates/templates/error-dev/messages.json
index a26fd4f13f..afd71e0257 100644
--- a/packages/ui-templates/templates/error-dev/messages.json
+++ b/packages/ui-templates/templates/error-dev/messages.json
@@ -1,5 +1,5 @@
 {
-  "statusCode": "500",
+  "statusCode": 500,
   "statusMessage": "Server error",
   "description": "An error occurred in the application and the page could not be served. If you are the application owner, check your server logs for details.",
   "stack": ""